A temperature anomaly is the difference from a baseline temperature established over the 1961–1990 reference period. The baseline temperature for each location is provided and is marked by a grey line. Blue indicates temperatures that are colder than average, while red indicates temperatures that are warmer than average. The 1961–1990 reference period is highlighted by grey shading.
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Infographic by Ministry for the Environment, Stats NZ and data providers and released under CC BY-NC-ND 4.0.